Revert "tag 6.0.3-rc-03"

This reverts commit 4d12892235a8b7517256fc5840bdb9c8e1df23ce.
Revert "Merge branch '6.0.x' of https://github.com/bonitasoft/bonita-studio.git"

This reverts commit 1421d5685138fab2f336e92d6057bd60a0f8abe2, reversing
changes made to 4d12892235a8b7517256fc5840bdb9c8e1df23ce.